8 reinstate recovery qualifier (rrq), Reinstate recovery qualifier (rrq) – Seagate Fibre Channel Interface User Manual

Page 102

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88

Fibre Channel Interface Manual, Rev. D

9.2.8

Reinstate Recovery Qualifier (RRQ)

The Reinstate Recovery Qualifier (RRQ) is sent by the initiator to the drive to indicate the Recovery Qualifier
(S_ID, D_ID, OX_ID, RX_ID, SEQ_ID, and SEQ_CNT) for an aborted exchange may be reused. The drive
allows reuse of the Recovery Qualifier immediately after sending the accept to an ABTS and does not require
RRQ. It returns accepts to all RRQs.

Field definitions (listed alphabetically)

Association Header
Not supported by the drive.

LS Command Code (Link Services Command Code)
12h

RRQ Payload.

Originator S_ID (Originator Source Identifier)
Address identifier of the port that originated the exchange.

OX_ID (Originator Exchange Identifier)
The RRQ is the OX_ID of the Recovery Qualifier.

RX_ID (Responder Identifier)
The RRQ is the RX_ID of the Recovery Qualifier.

Table 47:

RRQ Payload

Bit
Byte

7

6

5

4

3

2

1

0

0

0

0

0

1

0

0

1

0

1

0

0

0

0

0

0

0

0

2

0

0

0

0

0

0

0

0

3

0

0

0

0

0

0

0

0

LS Command Code

4

Reserved

5

(MSB)

Originator S_ID

6

7

(LSB)

8

(MSB)

OX_ID

9

(LSB)

10

(MSB)

RX_ID

11

(LSB)

12

(MSB)

Association Header (optional)

:

43

(LSB)

Table

number

47

47

47

47

47

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